Webpage loading time is an important factor for website ranking a delay in the loading time can give your competitors a head start and you may loose visitor and search engine visibility. Search engine pay huge attention to site speed.

URL Query String was a difficult and time consuming thing before the introduction of URLSearchParams() API, which is supported on all major browsers i.e. Firefox 44+, Opera 36+, Edge 17+, Safari 10.3+ and Chrome 49+. As usual Internet Explorer or Edge still lags behind.

This tutorial will demonstrate how to find unique values in any given array and also how the elements return are in the same position as they were in the original subject array, i.e. only duplicates are removed